[Mac] Fix Issue to Exit Fullscreen

chrome/browser/ui/cocoa/browser_window_controller_private.mm

Index: chrome/browser/ui/cocoa/browser_window_controller_private.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller_private.mm b/chrome/browser/ui/cocoa/browser_window_controller_private.mm
index 1564f0c8bc974b6852ae0f5d895d4bb0a7a869e1..be1846ad155fbb8ddf82abedd1583803aa08ddc4 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller_private.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller_private.mm
@@ -761,6 +761,9 @@ willPositionSheet:(NSWindow*)sheet
 
   [self showFullscreenExitBubbleIfNecessary];
   browser_->WindowFullscreenStateChanged();
+
+  if (shouldExitAfterEnteringFullscreen_)

[erikchen, 2016/06/10 20:54:23]

Don't you need to unset shouldExitAfterEnteringFullscreen_?

[spqchan, 2016/06/10 21:27:32]

Right

+    [self exitAppKitFullscreen];
 }
 
 - (void)windowWillExitFullScreen:(NSNotification*)notification {
@@ -923,6 +926,15 @@ willPositionSheet:(NSWindow*)sheet
 - (void)exitAppKitFullscreen {
   if (FramedBrowserWindow* framedBrowserWindow =
           base::mac::ObjCCast<FramedBrowserWindow>([self window])) {
+
+    // If we're in the process of entering fullscreen, toggleSystemFullscreen
+    // will get ignored. Set |shouldExitAfterEnteringFullscreen_| to true so
+    // the browser will exit fullscreen immediately after it enters it.
+    if (enteringAppKitFullscreen_) {
+      shouldExitAfterEnteringFullscreen_ = YES;
+      return;
+    }
+
     [framedBrowserWindow toggleSystemFullScreen];
   }
 }